Method and apparatus for object tracking
AssigneeSony Corporation
InventorsRatna BERESFORD, Daniel Lennon
Life of this patent
Estimating the term…
Abstract
There is described an apparatus and method for tracking objects in video. In particular, there is described a method and apparatus that improves the realism of the object in the captured scene. This improvement is effected by identifying a first and last frame in a video and subjecting the detected path of the object to a correcting function which improves the output positional data.
Claims23
A method of tracking an object in a video of a location captured by at least one camera fixed in position, the video having a first and a second flagged frame, the method comprising:
- detecting a first anchor point in the first flagged frame of video;
- detecting the position of the object in the location in the first flagged frame and subsequent frames of video;
- detecting a second anchor point in the second flagged frame of video,
- detecting the position of the object in the location in the second flagged frame of video;
- and
- adjusting the position of the object in the location in the frames of video between the first flagged frame and the second flagged frame in accordance with a polynomial equation, wherein metadata identifying the action taking place at the detected first and/or second anchor point is defined and the action is selected from a predetermined list of actions.
An apparatus for tracking an object in a video clip of a location captured by at least one camera fixed in position, the video having a first and a second flagged frame, the apparatus comprising:
- a first detector operable to detect a first anchor point in the first flagged frame of video,
- a second detector operable to detect the position of the object in the location in first flagged frame and subsequent frames of video;
- a third detector operable to detect a second anchor point in the second flagged frame of video, and to detect the position of the object in the location in the second flagged frame of video;
- and
- a processor operable to adjust the position of the object in the location in the frames of video between the first flagged frame and the second flagged frame in accordance with a polynomial equation, wherein metadata identifying the action taking place at the detected first and/or second anchor point is defined and the action is selected from a predetermined list of actions.
Dependencies are inferred from the claim text.